Common house martin, Delichon urbicum, at the nest still under construction - in spring.

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Size: 4633px × 3354px
Photo credit: © Bob Gibbons / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: avian, bird, bird-watching, birding, birds, birdwatching, breeding, common, delichon, feathers, house, martin, migrant, migrating, mud, natural, nature, nest, nest-building, nesting, nests, northern, ornithology, passerine, plumage, song-bird, songbird, urbicum, wall, wildlife